Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Siegfried Neuber, Peter H. Starke. Über Homomorphie und Reduktion bei nicht-deterministischen Automaten. Elektronische Informationsverarbeitung und Kybernetik, 3(6):351-361, 1967.